Go语言执行系统命令行命令（转）

 package main
 
 import (
   "os"
   "os/exec"
   "fmt"
   "flag"
   "strings"
 )
 
 func main() {
   command := flag.String("cmd", "pwd", "Set the command.")
   args := flag.String("args", "", "Set the args. (separated by spaces)")
   flag.Usage = func() {
     fmt.Fprintf(os.Stderr, "Usage: %s [-cmd <command>] [-args <the arguments (separated by spaces)>]\n", os.Args[])
     flag.PrintDefaults()
   }
   flag.Parse()
   fmt.Println("Command: ", *command)
   fmt.Println("Arguments: ", *args)
   var argArray []string
   if *args != "" {
     argArray = strings.Split(*args, " ")
   } else {
     argArray = make([]string, )
   }
   cmd := exec.Command(*command, argArray...)
   buf, err := cmd.Output()
   if err != nil {
       fmt.Fprintf(os.Stderr, "The command failed to perform: %s (Command: %s, Arguments: %s)", err, *command, *args)
       return
   }
    fmt.Fprintf(os.Stdout, "Result: %s", buf)
 }

来自http://outofmemory.cn/code-snippet/1125/Go-language-execution-xitongmingling-row-command